Epson FX Series Product Support

REPAIRS/ADJUSTMENTS
4.10.1 TIMING BELT MOTOR
Adjustment
Refer to Figure 4-15
Remove the Upper Case (4.1).
Loosen the left front and right rear screws
on the carriage motor base.
Position the motor to insure positive drive
without binding. Minimum gear lash 0.05-
0.15mm (.OO2-.0O6 inches). Slide the motor
toward the front of the printer to lessen
§ear lash, toward the back to increase the
istance between the gears. The gears must
not be locked.
Reassemble the printer and perform a self
test. During the self test verify consistent
carriage speed in both directions.
CAAAIAOE MOTOA
ADJUSTMENT SCA£WS
4.11 TIMING BELT
Refer to Figure 4-16
Removal
1. Remove the Printer Mechanism (4.7).
2. Remove the timing belt motor and heat sink
(4.10).
3. Loosen the adjustment screw on the belt
tensioninq plate.
4. Remove tne timing belt from the pulley at
each end of the pnnter assembly.
Figure 4-16 Timing Belt
MINIMIZE 6EAA lASH
005 0 IS mm
CAUTION:
Use a great deal of care during the next step so
as not to break the carriage assembly.
5. Grasp the timing belt firmly as close as
possible to eacn side of the carriage
assembly. Push straight down on the timing
belt to release it from the clip holding it to
the carriage.
Figure 4-15 Timing Belt Motor Adjustment
4-6
EPSON PRINTERS
6. Remove the belt from the printer
mechanism.
Replacement
1. Thread the new timing belt through the
hole in the right frame and position it over
the pulley at each end.
2. Slide the belt tension plate to the left to
apply enough tension to hold the timing
be ton the pulleys.
CAUTION:
Use a great deal of care during the next step so
as not to break the carriage assembly.
3.
4.
Engage the timing belt in the slot on the
bottom of the carriage (fig. 4-17). If you
experience difficulty getting the belt to slide
into the slot by hand position it as straight as
possible,
and then use a small screwdriver to
exert upward force on the belt being careful
not to use excessive force which could break
the carriage.
carnag*
Timing bait
Th« Dming belt
must not com*
below itiis point
Figure 4-17 Timing Belt Slot
Perform the Timing Belt Tension Adjustment
4.11.1 and the Timing Belt Motor
Adjustment 4.14

Epson FX Series Specifications

General

Brand	Epson
Model	FX Series
Category	Printer
Language	English